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First grow, stunted, now yellow/orange tips. Help, please..

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    HELP! First grow, stunted, now yellow/orange tips. Help, please..

    Intro: First grow, I did lots of research but ended up making a TON of mistakes in the beginning. Let's skip over that part, shall we? Here's the relevant info:

    Plant: OG Kush Auto Feminized
    Age: 30 days
    Soil: random organic plant soil. Yeah, I know... but here we are.
    Light: 100W full spectrum LED
    Light schedule: 18/6
    Space is small, 50x50x100, just enough for one plant.
    Exhaust and a small fan inside are always on. Small one is not pointed directly at the plant.
    Watering: Somewhat irregular, I was told I watered too frequently - every 24 hours with approx 300-500ml of water.
    Water: tap water. I let it stay for 24 hours, but... it turns out somebody else in the household was using it and refilling my bottle. So it was just tap water.
    The tap water created issues: top layer of dirt got mineralized to hell - it became white and rocky, probably causing excess calcium, which in turn probably increased PH (the soil already has a PH of 6-7).
    Removed the top layer gently and replaced with fresh soil.

    Issues in the first 2 weeks that I corrected:
    • Light burn (the ligth was way too close at 100%... it was like 40cm from the plant. Ugh.
    • Heat burn - before I controlled temps, they were reaching more than 32 C. This caused leaves to curl up and grow weird and distorted. After fixing, new growth was normal.
    • Low humidity - in the first 1.5 weeks, it was very difficult to control, and often went below 40%. Now I do my best to keep it above 55%.
    • Red stems - I thought this is due to genetics, but after fixing above issues, stems turned green...
    Growth in the past 10 days was minimal. Check first 3 pictures - these are from 11 days ago, when it was stunted AF (it was not THAT small, I added 2cm of soil, so those 3 pics, the plant was approx. 6cm tall, after adding 2cm of dirt, it was 4cm).
    The above issues were corrected approx. 11 days ago.
    In the past 3 days, the plant grew by around 4 cm and seemed healthy.

    Now, orange/brown tips appeared, and overnight also appeared on two of the latest leaves.
    Bottom leaves are turning rather pale.

    I suspect phosphorus and maybe potassium defficiency, combined with calcium overdose (due to tap water) and also probably ph issues. Plus the watering schedule.

    Because this soil contains nutrients for approx. 4 weeks, I did not feed it anything so far.
    Here's the plan: I have a good quality bio organic fertilizer with a NPK of 2-7-4, intended for flowering. This plant has entered flowering already (it's an auto, should be ready from seed to harvest within 10 weeks, so this is about the correct timing).

    Recommended amount is 3ml/1 L of water at week 4. I plan on giving it 1ML of nutes with 500 ml of distilled water, after watering it 36+ hours ago.

    Thoughts? Advice? Please keep in mind this is my first time and I don't really know what I'm doing, if it wasn't obvious.

    Thank you so much!​​

    #2
    Your plant is doing exceptionally well considering. Your problem here and now is it is an auto and will flower quite soon but if it were a photoperiod you would have time to fix it...too late.

    Yes your watering frequency is far too often. Wait 5 to 7 days and then give it another litre of water.

    Don't give any nutes until you see flowers but I'd flush the soil thoroughly first to get rid of the nitrates in the soil..there is a lot atm.
    Flower Room: 11' x 7' x 7.5'H, 480w AC, 13gal/day dehumidifier, 1.5gal ultrasonic humidifier, 60gal (27gal usable) nute tank, 16" pedestal fan & 18" wall fan. Lighting and climate automated. Hand watering.
    Veg Cupboards: ​​​​​​Two 4x2x6H cupboards. SF2000 Evo in one SF7000 in other. Climate controlled and automated. Hand watering
    Aeroponics Low Pressure Bucket: 20W LED. 5 clones & 20W LED 11 clones
    Lights: Mars Hydro FC-E1200W, SF-7000, SF-2000 evo in flower room.
    Medium: Coco/perlite, 7.2gal pots, no drains
    Current Grow: ​​​5 x Photos Franklin's Orange Zkittles x Sour Diesel in flower room, 3 Franklin's White Widow x Sour Diesel Clones, 13 x Orange ZkittleZ x Sour Diesel clones in Aeroponics buckets x 2.
    Last Grow: A mix

    Comment


    • realhuuuman420
      realhuuuman420 commented
      Editing a comment
      Thank you so very much. Honestly, it is what it is - if I get a single gram off of it, I'll be happy. I've already learned so much, the next one will be incomparable!

      I have uploaded 3 pics taken right now - the yellow edges seem to not have progressed at all since yesterday, which is good I guess. But - I think those are flowers on the top, aren't they? Well, pistils, at least. Does this mean I should give nutes with the next watering?

      Last watering was 36+ hours ago. Do you think I should still wait 5 days before the next one? Seems a bit extreme, but I'll take any advice I can get.

      And thanks again. I really appreciate it.

    #3
    Originally posted by realhuuuman420 View Post
    Intro: First grow, I did lots of research but ended up making a TON of mistakes in the beginning. Let's skip over that part, shall we? Here's the relevant info:

    Plant: OG Kush Auto Feminized
    Age: 30 days
    Soil: random organic plant soil. Yeah, I know... but here we are.
    Light: 100W full spectrum LED
    Light schedule: 18/6
    Space is small, 50x50x100, just enough for one plant.
    Exhaust and a small fan inside are always on. Small one is not pointed directly at the plant.
    Watering: Somewhat irregular, I was told I watered too frequently - every 24 hours with approx 300-500ml of water.
    Water: tap water. I let it stay for 24 hours, but... it turns out somebody else in the household was using it and refilling my bottle. So it was just tap water.
    The tap water created issues: top layer of dirt got mineralized to hell - it became white and rocky, probably causing excess calcium, which in turn probably increased PH (the soil already has a PH of 6-7).
    Removed the top layer gently and replaced with fresh soil.

    Issues in the first 2 weeks that I corrected:
    • Light burn (the ligth was way too close at 100%... it was like 40cm from the plant. Ugh.
    • Heat burn - before I controlled temps, they were reaching more than 32 C. This caused leaves to curl up and grow weird and distorted. After fixing, new growth was normal.
    • Low humidity - in the first 1.5 weeks, it was very difficult to control, and often went below 40%. Now I do my best to keep it above 55%.
    • Red stems - I thought this is due to genetics, but after fixing above issues, stems turned green...
    Growth in the past 10 days was minimal. Check first 3 pictures - these are from 11 days ago, when it was stunted AF (it was not THAT small, I added 2cm of soil, so those 3 pics, the plant was approx. 6cm tall, after adding 2cm of dirt, it was 4cm).
    The above issues were corrected approx. 11 days ago.
    In the past 3 days, the plant grew by around 4 cm and seemed healthy.

    Now, orange/brown tips appeared, and overnight also appeared on two of the latest leaves.
    Bottom leaves are turning rather pale.

    I suspect phosphorus and maybe potassium defficiency, combined with calcium overdose (due to tap water) and also probably ph issues. Plus the watering schedule.

    Because this soil contains nutrients for approx. 4 weeks, I did not feed it anything so far.
    Here's the plan: I have a good quality bio organic fertilizer with a NPK of 2-7-4, intended for flowering. This plant has entered flowering already (it's an auto, should be ready from seed to harvest within 10 weeks, so this is about the correct timing).

    Recommended amount is 3ml/1 L of water at week 4. I plan on giving it 1ML of nutes with 500 ml of distilled water, after watering it 36+ hours ago.

    Thoughts? Advice? Please keep in mind this is my first time and I don't really know what I'm doing, if it wasn't obvious.

    Thank you so much!​​
    Hey! Don't worry, we've all been there. The yellow/orange tips could be from calcium buildup, pH imbalance, or nutrient deficiencies. Your fertilizer plan sounds good, but start with a smaller dose (0.5-1ml/L) and monitor pH levels. Consider adding a Cal-Mag supplement too. Good luck!

    Comment


    • realhuuuman420
      realhuuuman420 commented
      Editing a comment
      Thank you so much! I think the yellow tips could be all of the mentioned.
      Considering that Bluey above said to not give it any water for FIVE days... do you agree with them? To me that sounds a bit rough hahah, but I will follow the advice if that is what it is. So, water today (last time was 36+ hours ago) with a very small dose of nutes, or wait another two-three days?

    #4
    Booya and 4 it is so far

    Comment

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